YD047埋弧耐磨药芯焊丝

YD047埋弧耐磨药芯焊丝；                                                                                   规格；1.2-1.6-2.0-2.5-3.0，                                                                                  化学成分；C≦1.7，Mn  1.5-3.0，Cr4.0-7.0，Mo1.5-3.0，Ni ≦3.0，                                                                          硬度  ≥55，                                                                                                适用范围；用于轮压机的挤压辊表面的堆焊，